Gupta/gupta1
Linear programming matrix (A*A'), Anshul Gupta, anshul@watson.ibm.com
| Name | gupta1 | 
| Group | Gupta | 
| Matrix ID | 536 | 
| Num Rows | 31,802 | 
| Num Cols | 31,802 | 
| Nonzeros | 2,164,210 | 
| Pattern Entries | 2,164,210 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 1996 | 
| Author | A. Gupta | 
| Editor | T. Davis | 
 
 
| Structural Rank | 31,802 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | binary | 
 
| SVD Statistics | 
| Matrix Norm | 4.203185e+02 | 
| Minimum Singular Value | 0 | 
| Condition Number | Inf | 
| Rank | 30,782 | 
| sprank(A)-rank(A) | 1,020 | 
| Null Space Dimension | 1,020 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |